AAT3172IWP-T1 恒流LED驱动电源IC 切换式电容器 闪灯/白光 1MHz 2.7V ~ 5.5V 5.5V TDFN33-12 QLV 双稳压电流水槽/无电感器/自动软启动
恒流Constant Current | 是 YES |
恒压Constant Voltage | |
拓扑Topology | 切换式电容器(充电泵) Switched Capacitor (Charge Pump) |
输出数Number of Outputs | 2 |
内部驱动器Internal Driver | 是 YES |
初级类型Type - Primary | 闪灯/白光 Flash/Torch |
次级类型Type - Secondary | 白色 LED White LED |
频率Frequency | 1MHz |
电源电压Voltage - Supply | 2.7V ~ 5.5V |
输出电压Voltage - Output | 5.5V |
Description & Applications | FEATURES • High Current LED Flash Driver Charge Pump IC • VIN Range: 2.7V to 5.5V • 600mA Output Current • Tri-Mode 1X/1.5X/2X in Current Mode • Voltage Mode Operation: 1.5X, 100mA • Dual Regulated Current Sinks • Current Match Between Current Sinks • 32 Current Steps Set by AS2C wire • 1µF Input, Output, and Flying Capacitors • <1.0µA of Shutdown • Small Application Circuit • No Inductors • Automatic Soft Start • 12-Pin TDFN 3x3mm Package • -40°C to +85°C Temperature Range Applications • Camera Phones • Digital Still Cameras (DSCs) • PDAs and Notebook PCs • Smart Phones |
描述与应用 | 特点 •高电流LED闪光灯驱动器电荷泵IC •VIN范围:2.7V至5.5V •600mA输出电流 •三模式1X/1.5X/2X电流模式 •电压模式操作:1.5X,100mA的 •双稳压电流水槽 •电流源之间的电流匹配 •32当前步骤设置由AS2C线 •1μF的输入,输出和飞电容 •<1.0μA的关断 •小应用电路 •无电感器 •自动软启动 •12引脚TDFN3x3mm封装 •-40°C至+85°C温度范围 应用 •照相手机 •数码相机(DSC) •PDA和笔记本电脑 •智能手机 |
规格书PDF |